Blue!
blue
Its actually blue
red
his color is blue
Blue
Orange
As of September 2008: Nick got a new toothbrush and this color is BLUE source:nickjonline.com
the most popular color of a doorknob is brown.
I think red is the third most popular color.
the most popular color of windmills would most likely be white.
Just as in the US and other countries there is no 'most popular color' in England. Some colors may be more popular than others, but there is no 'most popular color'.